Panasonic UF6950 Error Codes list and fixing solutions
– Compatible Printer model: Panasonic UF6950
– Panasonic UF6950 Error Code List and description errors:
- Code: E1-22
- Description: Polygon Motor Synchronization
- Causes: 1. Engine PCB connector is disconnected. 2. Engine PCB is defective. 3. Laser Unit is defective. 4. LVPS connectors is disconnected. 5. LVPS is defective. 6. SC PCB is defective.
- Code: E13
- Description: TONER IS RUNNING LOW or OUT OF TONER
- Causes: 1. Toner Cartridge is incorrectly installed. 2. Out of Toner. 3. Low Toner Sensor is disconnected. 4. Low Toner Sensor is defective. 5. Engine PCB connector is disconnected. 6. Engine PCB is defective.
- Code: E3-20
- Description: Main Motor Rotation
- Causes: 1. Drive Mechanism is defective. 2. Main Motor connector is disconnected. 3. Main Motor is defective. 4. Engine PCB connector is disconnected. 5. Engine PCB is defective. 6. LVPS is defective.
- Code: E4-01
- Description: Fuser Warm-up Temperature
- Causes: 1. Fuser Thermistor is dirty. 2. Thermistor position is incorrect. 3. Fuser temperature is low. 4. Thermistor is defective. 5. Fuser Lamp connector is disconnected. 6. Fuser Thermostat is defective. 7. Fuser Lamp is defective. 8. Engine PCB connector is disconnected. 9. Engine PCB is defective.
- Code: E4-10
- Description: Exhaust Fan Motor Rotation (Fuser Unit Side)
- Causes: 1. Exhaust Fan connector is disconnected. 2. Exhaust Fan is defective. 3. LVPS connector is disconnected. 4. LVPS is defective. 5. Engine PCB is defective.
- Code: E5-11
- Description: Printer Engine Communication Abnormal
- Causes: 1. SC/Engine PCB connector is disconnected. 2. SC/Engine PCB is defective.
- Code: E5-12
- Description: Main CPU/SDR Interface Error
- Causes: 1. SC/SDR PCB connector is disconnected. 2. SC/SDR PCB is defective.
- Code: E5-19
- Description: Scanner Line Synchronization
- Causes: 1. SC/SDR PCB connector is disconnected. 2. SC/SDR PCB is defective.
- Code: E5-40
- Description: Sort Memory Abnormal
- Causes: 1. Sort Memory defective. 2. SC PCB connector is disconnected. 3. SC PCB defective.
- Code: E7-90
- Description: Hardware Key Abnormal
- Causes: 1. Incorrect Hardware Key is installed. 2. Hardware Key is defective.
- Code: U01
- Description: CLOSE FRONT COVER
- Causes: 1. Front Cover is open. 2. Front Cover Sensor is disconnected. 3. Front Cover Sensor is defective. 4. LVPS connector is disconnected. 5. LVPS is defective. 6. Engine PCB is defective.
- Code: U13
- Description: TONER IS RUNNING LOW or OUT OF TONER
- Causes: 1. Toner Cartridge is incorrectly installed. 2. Low Toner. 3. Toner Sensor is disconnected. 4. Toner Sensor is defective. 5. Engine PCB connector is disconnected. 6. Engine PCB is defective.
- Code: U16
- Description: NO CARTRIDGE
- Causes: 1. No Toner Cartridge.
- Code: U20
- Description: CLOSE ADF COVER
- Causes: 1. ADF Cover is open. 2. ADF is not installed correctly. 3. ADF Cover Sensor is disconnected. 4. ADF Cover Sensor is defective. 5. LVPS connector is disconnected. 6. LVPS is defective.
- Code: U90
- Description: REPLACE BATTERY
- Causes: Backup Battery is wearing out.
– Panasonic UF6950 Error codes and solution steps to fix:
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